124 citations · 934 across the 29 of their papers we have counts for
9 papers · 1 filter
Cryogenic sensor enabling broad-band and traceable power measurements
J. -P. Girard, R. E. Lake, W. Liu +4
Recently, great progress has been made in the field of ultrasensitive microwave detectors, reaching even the threshold for utilization in circuit quantum electrodynamics. However,…
Bolometer operating at the threshold for circuit quantum electrodynamics
R. Kokkoniemi, J. -P. Girard, D. Hazra +7
Radiation sensors based on the heating effect of the absorbed radiation are typically relatively simple to operate and flexible in terms of the input frequency. Consequently, they…
Flux-tunable heat sink for quantum electric circuits
Matti Partanen, Kuan Yen Tan, Shumpei Masuda +10
Superconducting microwave circuits show great potential for practical quantum technological applications such as quantum information processing. However, fast and on-demand initial…
Cryogenic microwave source based on nanoscale tunnel junctions
Shumpei Masuda, Kuan Y. Tan, Matti Partanen +5
We experimentally realize an incoherent microwave source driven by voltage-controlled quantum tunneling of electrons through nanoscale normal-metal--insulator--superconductor junct…
Microwave Admittance of Gold-Palladium Nanowires with Proximity-Induced Superconductivity
Russell E. Lake, Joonas Govenius, Roope Kokkoniemi +4
We report quantitative electrical admittance measurements of diffusive superconductor--normal-metal--superconductor (SNS) junctions at gigahertz frequencies and millikelvin tempera…
Quantum Circuit Refrigerator
Kuan Yen Tan, Matti Partanen, Russell E. Lake +3
Quantum technology promises revolutionizing applications in information processing, communications, sensing, and modelling. However, efficient on-demand cooling of the functional q…
Detection of zeptojoule microwave pulses using electrothermal feedback in proximity-induced Josephson junctions
J. Govenius, R. E. Lake, K. Y. Tan +1
We experimentally investigate and utilize electrothermal feedback in a microwave nanobolometer based on a normal-metal ($\mbox{Au}_{x}\mbox{Pd}_{1-x}$) nanowire with proximity-indu…
Observation of quantum-limited heat conduction over macroscopic distances
Matti Partanen, Kuan Yen Tan, Joonas Govenius +4
The emerging quantum technological apparatuses [1,2], such as the quantum computer [3-5], call for extreme performance in thermal engineering at the nanoscale [6]. Importantly, qua…
Microwave nanobolometer based on proximity Josephson junctions
J. Govenius, R. E. Lake, K. Y. Tan +5
We introduce a microwave bolometer aimed at high-quantum-efficiency detection of wave packet energy within the framework of circuit quantum electrodynamics, the ultimate goal being…